Alarm buzzer



FIG. 1 is a front elevational view of an alarm buzzer, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a cross-sectional view taken along lines VI--VI of FIG. 2. 

The ornamental design for an alarm buzzer, as shown. 